Methyl 3-fluoro-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-acetate
Methyl 2-fluoro-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-6-acetate
2-Cyano-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-acetic acid
Methyl 2-cyano-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-acetate